21286366915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{923687}}^1$

素因数の和:924122

約数の個数: 16

約数和(自身を含む): 27932325120

約数和(自身を除く): 6645958205

約数列:

[1, 5, 11, 55, 419, 2095, 4609, 23045, 923687, 4618435, 10160557, 50802785, 387024853, 1935124265, 4257273383, 21286366915]

約数ペア:

[(1, 21286366915), (5, 4257273383), (11, 1935124265), (55, 387024853), (419, 50802785), (2095, 10160557), (4609, 4618435), (23045, 923687)]